Here's an example of what can be achieved using one of the default CC SkinGen characters:
The Appearance Editor shows what has been added to the character:
By deleting all of the added channels the character looks like below:
There are also Neutral CC3+ bases that can be used as these have few, if any, Morphs included:
With default skin adjustments:
After removing skin adjustments:
Does that answer your questions?
Gerry
System: Win 10 Pro (21H2), Asus X99-E WS, CPU i7-5930K -3,5 GHz, 32 GB DDR4 2666-16 RAM, NVidia GTX 1080 Ti GPU - 11 GB VRAM(Driver Studio-536.99), Samsung 850 Pro 512 GB SSD, 6 TB HD storage.